Dual band planar folded monopole

In this paper an improved design of a dual band planar folded monopole is proposed. The planar folded monopole has been analyzed theoretically and experimentally. The design was extended to a dual band operation. The proposed monopole is successfully simulated, designed, and measured, showing stable radiation patterns and good matching properties in both frequency bands. The proposed antenna has potential applications in the ceiling mount base stations for indoor communications and wireless positioning including adaptive MIMO systems for mobile terminals.